U(1)_R-mediated supersymmetry breaking from a six-dimensional flux compactification

Abstract

We study the U(1)_R-mediated supersymmetry breaking in a flux compactification of 6D chiral gauged supergravity with codimension-two branes. We consider a concrete model with manifest U(1)_R invariance for moduli stabilization and visible sector in the context of 4D effective supergravity with gauged U(1)_R and determine soft scalar masses in the visible sector mainly by a nonzero U(1)_R D-term. We obtain a low energy superparticle spectrum and discuss on the implications of the obtained non-universal scalar soft masses on the SUSY phenomenology such as dark matter relic abundances.

33 pages, 9 figures, published version in JHEP

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• Lectures on Physics Beyond the Standard Model
• Gravitino dark matter in hybrid gauge-gravity models
• Dark matter, mu problem and neutrino mass with gauged R-symmetry